<http://schema.org/headline>
"To\u00E0n t\u1EC9nh L\u1EA1ng S\u01A1n c\u00F3 30 tuy\u1EBFn qu\u1ED1c l\u1ED9 v\u00E0 t\u1EC9nh l\u1ED9 b\u1ECB s\u1EA1t l\u1EDF"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vietnamplus.vn/toan-tinh-lang-son-co-30-tuyen-quoc-lo-va-tinh-lo-bi-sat-lo/336223.vnp>